Aerosol apparatus using compressed air or gases for liquid and powder products



June 1965 A. SPALAZZI ETAL AEROSOL APPARATUS USING GQMPRESSED AIR ORGASES FOR LIQUID AND POWDER PRODUCTS Filed Sept. 30, 1963 ALESSANDROSPALAZZI ALEXANDER MORGANTE ATTORNEY.

United States Patent "ice 3,191,808 AERGSGL APPARATUS USING CGMPRESSEDAm 0R GASES FOR LlQUm AND POWDER PRGDUCTS Alessandro Spalazzi andAlexander Morgante, Rome, Italy, assignors to Common Market Associatesinc, Springfield, Mass.

- Fiied Sept. 39, 1963, Ser. No. 312,731

3 Ciaims. (iii. 22232) Our invention relates to new and usefulimprovements and structural refinements in aerosol apparatus operablewith a compressed gas or gases or air for the ready dispensing of any ofa plurality of products of a chemical, cosmetic, pharmaceutical or likenature in liquid, powder or micropowder form.

It will be helpful to an understanding of our invention first to brieflyconsider some of the essential points and more important features andaspects thereof, so that same may be kept in mind during subsequentreading of the detailed description of the practical embodiments thereofand the illustrations thereof in the hereunto annexed drawing.

Accordingly, it is first to be noted that our invention may be embodiedin any device for the dispensing of a liquid or powdered material. 7

Without intending to place undue limitations upon the scope of theinvention beyond what may be required by the state of the prior art, theparticular embodiment may be briefly described as embracing the conceptof multicontainers for the storage in separated compartments of thepropelling gas medium, known as the gas phase, and the material to bedispensed, known as the liquid or powder phase, as the case may be,preliminarily to being admixed and dispensed in a spray form, with thevolatile propellant functioning to propel the liquid or powder productoutwardly of the structure and may, in certain circumstances, act tomodify the physical state of the product as it emerges from thecontainer, as by expanding it into a foam or lather.

The invention comprehends hermetically sealed packages ofself-propelling pressure liquid or pressure powder compositions equippedwith specially designed valving mechanisms from which application ismade in the form of an atomized spray.

More particularly, this invention relates to constructions forpropelling mixtures of a gas and a liquid, or of a gas and a powder,through specially designed valving mechanisms, as finely atomizedsprays.

The invention is characterized by the fact that the apparatus is formedof a pair of containers, one of which is adapted to contain a compressedgas or air, and the other of which contains the product to be dispensedas by spraying in the case of a material in liquid form and as bydispensing in the case of a material in powder form, the gas and theproduct being retained in non-communicating relationship as to eachother until the moments of admix ing and spraying or dispensingtherefollowing.

As one advantageous embodiment, by the means hereof, the compressed airor gas is not in contact with the product during storage and untilimmediately prior to use, it being known that, in the case of certainthereof, reactions ensue when same are exposed thereto so as to effectdeleterious composition changes, which changes, it will be observedensue at an accelerated rate when the gaseous component is undercompression.

The practice of employing inert gases in the effort to preclude theseaforesaid reactions or changes has been known, but the costs thereofhave been so prohibitive as to discourage use thereof on any largecommercial scale.

The invention is intended to provide simple and effective means foreconomically performing its functions while Patented June 29, 1965 alsomaking provision for convenient and safe transportation when filled, orpartly filled, without danger of content leakage.

The invention is predicated upon the use, in addition to the fluid orpowder contents of the package, of valving devices in intercommunicatingconduits in such relation as to receive, mix and dispense the packagecontents in a manner assuring the formation of a highly effective spray.

In one form, the valve device comprises a mixing chamber connectedthrough separate orifices with the liquid and vapor phases in thecontainer, and valves proper which control release of gas from the gaschamber and liquid or powder from the liquid .or powder chamber'andrelease of the mixture from the mixing chamber through a discharge sprayorifice. Using this type of mixing and valve arrangement, and by controlof oriiice sizes, it is possible to achieve a pro-mixing of the liquidor powder and gaseous phases from the container that will result inrelease of the liquid or powder phase, in a finely atomized spray.

The invention comprehends particular constructions arrangements,combinations, and relationships of various elements, components andinstrumentalities of aerosol apparatus as exemplified in the followingdetailed disclosure wherein the objects hereof, as defined in the aboveparagraphs, will be apparent.

The invention offers the advantage that one of a plurality of volatileproducts can be interchanged, at will with one of a plurality ofmaterials desired to be dispensed for a particular purpose by the factof their being contained Within separable containers each interfitting acommon joint containing the cooperant means for effecting delivery ofthe respective products to a main mixing chamber for admixingpreliminarily to discharge therefrom as an atomized spray.

To make the manufacture of such apparatus a more profitable undertaking,the mechanism embodying the essence of the invention has been engineeredin manner as to be simple in its construction so as to expediteeconomical large-scale production and assembly with a minimum oftooling, the usual complexity of components having been so greatlyreduced as to offer a compact design representative of a fundamentallynew concept in the combining and coating of aerosol apparatus parts.

' Precision of relative dimensioning of parts as militates againstinexpensive manufacture, simplicity of maintenance and care, andconsistency of performance in practical use have been assiduously bornein mind in the development of the present invention.

Too, we provide apparatus of the above-mentioned character in whichruggedness and durability of construction are combined with simplicityof protection against usual but hard conditions of practical use andwith simplicity and ease of use.

Further, while the components are uniquely compact, they arenevertheless readily accessible for maintenance and replacement purposeswith a consequent reduction in maintenance costs over related devicesheretofore known.

Io provide apparatus which effectively meets the requrrements thereforand perform its functions in a practical and dependable manner is amongthe dominant aims of this invention.

Other of the chief objects and purposes hereof are to provideadvantageous structural and operational features in devices of the classto which reference has been made so as tootter an apparatus having thefollowing inherent meritorious characteristics; first, engineeringwise,a uniqueness in design of coacting parts Wherefor the components arecoordinated for facile assembly and, when degree of efficiency anddependability in its operational use; third, the attainment of aconvenience of arrangement of parts and a flexibility or a capability ofadjustment by which a large variety of work can be produced by means ofthe same device; and fourth, the provision of constructions whichv arewell adapted to withstand the usage to which such devices are ordinarilysubjected.

Further objects are to provide aerosol apparatus conformable to thedesiderata of the preceding paragraphs and offering specificimprovements in its various operating instrumentalities, whichthemselves are minimum in number, so that it is simple and compact inaccordance with the demands and desires of manufacturers and purchasersalike and so as to provide distinct advantages in that it is distinctivein its appearance, practical in its value, durable in its organization,reliable in its operation, and efiicient in its use.

To the end of attaining these objects and advantages and othershereinafter reasonably appearing, it will be explained that theinvention consists substantially in the combinations, constructions,locations and functions of parts, as herein described in detail.

It will be apparent, however, that the physical embodiments delineated,albeit the preferred exemplifications, are only indicative of butseveral of the multiplicity of ways in and purposes for which theprinciples of the invention may be employed. Same are submitted as bestknown embodiments of the invention in accordance with the patentstatutes and are given with a view to illustrating and explaining theprecise nature of the principles of the invention and their embodimentsfor practical use, in order that others skilled in the art to which t reinvention pertains may be enabled to adapt and modify them in otherreasonable variations and modifications, each as may be best adapted tothe conditions of any particular use.

The invention reverted to is not restricted or confined to saidembodiments and same are not intended to be exhaustive of, nor limitingof, the spirit or scope hereof. That is, the precise construction of thefigures of the drawing need not be slavishly followed as, of course, thedevices may have to be adapted or alternatively constructed or modifiedin accordance with any specific use contemplated therefor. Suchadaptations and/or alternative constructions and/or modifications areintended to be comprehended within the meaning and purview and range ofequivalence of the below subjoined claims, there being no intent to havethis invention limited to or circumscribed by any specific details.

The objects of the invention are susceptible of attainment by use ofconstructions diferent incertain respects from those disclosed, such asminor changes and variations in dimensions, shapes and the like, allwithout departing from the underlying scope and spirit hereof.

Thecharacteristic features which we consider to be novel with ourinvention will be better understood from a consideration of thefollowing detailed description forming a part of this specification,when read in conjunction with the illustrations in the accompanyingdrawing, in which:

FIG. 1 is a top plan view illustrating the apparatus of the invention ina refillable-liquid dispensing form;

FIG. 2 is a sectional view through the midsection of the apparatus shownin FIG. 1; 7

FIG. 3 is a top plan view illustrating the apparatus of the invention inanother form delineated the refillableliquid or powder dispensing form;

FIG. 4 is a sectional view through the midsection of the apparatus shownin FIG.'3;

FIG. 5 is a sectional view through the midsection of another form of theapparatus of the invention delineated the non-refillable liquid orpowder dispensing form; and

FIG. 6 is an exploded top plan view of the form of the apparatus shownin FIG. 5.

in the practice of the invention, according to FIGS. 1

and 2 of the drawing, we have shown a construction of one form thereof,delineated a refillable apparatus for the dispensing of liquids, samebeing constituted by .an enclosed compressed air or gas container 1, forcontaining the gaseous phase, and an open-ended liquid container 2, forcontaining the liquid phase, and held relative to container It as by anannular common joint 3.

Containers 1 and 2, preferentially, though not obligatorily, are each ofgenerally elongated cylindrical configuration having a rounded closedend at its outboard extremity.

Container at its inboard extremity, is provided with a neck of reduceddiameter with an opening through said neck allowing communicationbetween the container interior and exteriorly thereof.

Container 2, at its inboard extremity, is provided with an open end toallow an opening substantially the diameter of the cylinder wall.

Joint 3 is of a configuration such as to allow, at its gas-compartmentface, an annular noselike or cuplike or semispherical shoulder recess ofa configuration accommodating itself to the outer configuration of theannular shoulder of container 1, and an annular neck recess concentricwith and extending inwardly away from the bottom of the shoulder recess,said neck recess being of a configuration accommodating itself to theouter configuration of the annular neck of container 1, wherefor thecontainer is adapted to be frictionally engaged with joint 3 so as tohold the components stationarily as to each other during operative use.

Joint 3 is additionally configured at its liquid-compartment face with aperipheral recess for receiving, as by a frictional fit, the inboard endportion of the open ended container 2, wherefor said container islikewise adapted to be held stationarily relative to the joint duringoperative use.

It follows that various combinations of containers 1 (containingdifferent volatile products) and containers 2 (containing differentliquids) can be constituted with a common joint 3 for the specificpurposes envisioned.

In operative position as to each other, containers 1 and 2 and joint 3will be observed to be held in co-axially aligned relationship withtheir outermost peripheral surfaces being coplanar as to each other soas to present a smooth, uninterrupted outermost contour wherewith thecomposite structure may be readily manually grasped, easily transported,and conveniently stored.

A valve 4 of generally T-shaped configuration is disposed relative tocontainer 1 wherefor its transverselypositioned head portion isreceivable within the container while its stem or shank portion 5 isextendable outwardly of the container through a suitable valve stemopening extending through a valve seat 6 which is tightly fitted intothe opening of the neck of the container and also through aconcentrically-arranged annular gas conduit 14 communicating with theannular neck recess.

Joint 3 is additionally provided with an annular liquid conduit 7,disposed in a plane parallel to and non-coaxial with the axis of gasconduit 14.

Said liquid conduit 7 communicates with liquid container 2 at itsoutboard extremity and at its inboard extremity intersects andcommunicates with the cone shaped inner end wall of an enlarged annularpassageway having a main axis transversely-disposed relative to liquidconduit 7 and to gas conduit 14 which also at its inboard extremityintersects and communicates with the said pasageway.

Coaxial with the main axis of the enlarged passageway and communicatingtherewith at its point of intersection at the apex of the cone shapedinner end wall of said enlarged passageway is the inboard terminus of anannular main or mixing chamber 15. The outboard terminus of said mainchamber is at the outermost peripheral surface of joint 3 in the mannerof a nozzle.

A valve 8, having the configuration of a pair of cones arranged inback-to-back relationship, is reciprocable within the enlargedpassageway in directions coincident with the main axis thereof betweenvalve-closed and valve-opened positions.

In valve-closed position, the outboard conical surface of valve 8 seatsupon the cone shaped inner end wall of the enlarged passageway in mannerto seal off egress of any materials through mixing chamber 15.

In movement toward valve-opened position, achieved via means to bedefined, the inboard conical surface of valve 8 functions in camlikemanner to engage with the inboard free extremity of the stem or shankportion 5 of valve 4 and to drive same inwardly relative to container 1so as to effectuate the valve-opening of said valve 4.

Valve 8 is influenced into normal valve-closed position by a meansinclusive of a valve stem 11 unitary with and extending away from valve8 in a direction coaxial with the main axis of the enlarged passageway,a spring 19 which is sleeved upon said valve stem in a circumscribingmanner and has an inboard extremity confrontable with and bearing uponthe adjacent face of a washerlike member 9 sleeved upon and stationarilyfixed to said valve stem in transverse relationship and has an outboardextremity confrontable with and bearing upon the adjacent face of aclosure plate 12 nestably receivable within the enlarged passageway forenclosing same adjacent the outer peripheral surface of joint 3.

A control member 13 is pivotally engaged with valve stem 11 adjacent itsouter free extremity which is extendable outwardly of joint 3 through asuitably provided opening through and centrally of closure plate 12.

Control member 13 serves to effectuate motivation of valve 8 by theretraction thereof away from its normal seating against the inner endwall of the enlarged passageway into valve-opened position against theresistance of spring 16) so as to open in seriatim main or mixingchamber 15 and liquid conduit 7 as the valve withdraws away from theinner end Wall, and further in seriatim to open gas conduit 14 by socamming the stem of valve 4 as to efiectuate the unseating of the headportion of said valve from its normal valve-closed position upon valveseat 5.

The, opening of gas conduit 14 permits the release of the gaseous phaseproduct at high speed from within container 1 through gas conduit 14 andinto the enlarged passageway and thence outwardly through main or mixingchamber 15, passing the opening of liquid conduit 7 in this travel.

As the gaseous product is wiped past liquid conduit 7, the liquidproduct is induced by suction from within container 2 through saidliquid conduit and along the end wall of the enlarged passageway andthence outwardly through main or mixing chamber 15 Where it is admixedwith the gaseous product in manner sufficient to allow atomization ofthe liquid product and dispersal therefrom through the outer nozzle endof the main chamber.

Release of control member 13 serves to elfectuate the return of valve 8to valve-closed position.

In the embodiment of the invention, according to FIGS. 3 and 4 of thedrawing, we have shown a construction of a form, delineated a refillableapparatus for the dispensing of liquids or powder products, same beingconstituted by an enclosed compressed air or gas container 1', forcontaining the gaseous phase, and an open-ended liquid or powdercontainer 2', for containing the liquid or powder phase, and heldrelative to container 1' as by an annular common joint 3'.

Each of containers 1' and 2', preferentially, are of generally elongatedcylindrical configuration with a closed end of ovoid shape at itsoutboard extremity.

Container 1', at its opposite inboard extremity, is'configured to definea neck of reduced diameter having an opening therethrough for ingress toand egress from the container interior while container 2, at its inboardex- ,tremity, is configured to allow an open end defining an 6membranous diaphragm 17 serving to divide container 2' into an innerliquid or powder storage chamber and an outer expansion chamber 18, forpurposes as will appear.

Joint 3' is configured, at its gas-compartment face, with an annularsemispherical shoulder recess to accommodate in tight-fitting manner theannular shoulder of container 1. In communication and concentric withand extending inwardly from said shoulder recess, an annular neck recessis provided, same having a configuration accommodating itself to theneck of container 1'. Thus, container 1 is adapted to be frictionallyengaged with joint 3'.

Additionally, joint 3' is configured at its liquid or powder compartmentface with a peripheral recess for frictional engagement of the inboardopen end portion of container 2' so as to define an enclosing wall ofexpansion chamber 18.

In operative position as to each other, containers 1 and 2 and joint 3are in co-axially aligned coplaner relationship. v

A T-shaped fiat valve 4' has a transversely-disposed head portion whichis receivable within the container and a stem or shank portion 5 whichis extendable outwardly of the container through a suitable valve stemopening extending through a valve seat 6' tightly fittted into theopening of the neck of the container and also through aconcentrically-arranged annular gas conduit 20 in joint 3 andcommunicating with the annular neck recess.

Joint 3' is additionally provided with an annular liquid/powder conduit7' which communicates with expansion chamber 18 at its inboard terminusand with the atmosphere at its outboard terminus at the outer peripheralsurface of joint 3'. g

Said liquid/powder conduit is generally L-shaped in configuration. V V

The joint 3 is still further provided with an enlarged annularpassageway having a main axis which is transversely-disposed relative togas conduit 20 which at its inboard extremity intersects andcommunicates with said enlarged passageway.

I A cam 16, which may be of generally conical configuration, isreeiprocable within the enlarged passageway in directions coincidentwith the said main axisthereof between valve-closed and valve-openedpositions.

In valve-closed position, cam 16 seats upon the inner end wall of theenlarged passageway.

In movement toward valve-opened position, achieved via means about to bedefined, the conical surface of cam 16 in camlikemanner confronts theinboard free extremity of stem or shank portion 5 of valve 4 and as thecam moves toward valve-opened position, to drive same inwardly relativeto container 1 thereby to effectuate a concomitant valve-opening of saidvalve 4"by causing the retraction of the head portion thereof away fromcon- 'tacting relation with valve seat 6' in its valve-closed position.

7 Cam 16 is influenced into normal valve-closed position by a meansinclusive of a stem 11 unitary with an extending away from cam 16 in adirection coaxial with the main axis of the enlarged passageway, aspring 10' circumscribing said stem and having an inboard extremityconfrontable with and bearing upon the adjacent face of a washerlikemember 9' sleeved upon and stationarily fixed tosaid stem in transverserelationship and having an outboard extremity confrontable with andbeating upon the adjacent face of a closure plate 12' nestablyreceivable within. the enlarged passageway-for enclosing same adjacentthe outer peripheral surface of joint-3. V

Acontrol member 13 is pivotally engaged with stem 11 adjacent its outerfree extremity which is extendable outwardly of joint 3 through asuitably provided opening through and centrally of closure plate 12',and serves to effectuate retraction of cam 16 away from its normalseating against the enlarged passageway inner end wall and intovalve-opened position against the resistance of spring 10 so' as to opengas conduit 20 by the camming of stem of valve 4, as aforesaid.

As the volatile gaseous product exists container 1' with high speed viagas conduit 2%) and into the enlarged passageway, and therefrom, itpasses through the conduit of a needle 19 which extends through asuitable opening in joint 3' with one extremity disposed in the plane ofthe wall of the enlarged passageway and an opposite extremity extendableoutwardly therefrom.

Upon assembly of liquid powder container 2 upon joint 3, needle 19 iscaused to be penetrated through diaphragm 17 so as to rupture thediaphragm. Thus, it will be observed that the gaseous product passeswith high speed through the needle and into the liquid or powderstorage.

As the gaseous product passes into the liquid or powder storage chamberof container 2', it creates a turbulence therewithin.

The generated turbulence is such as to induce the product to bedischarged from within the liquid or storage chamber to the expansionchamber of container 2, through said conduit 7', and thence to bedischarged therefrom through the outer nozzle end.

In the embodiment of the invention according to FIGS. 5 and 6 of thedrawing, we have shown a construction of one form thereof, delineated anon-refillable apparatus for the dispensing of liquids or powders, samebeing constituted by an enclosed compressed air or gas container 1A, forcontaining the gaseous phase, and an open-ended liquid or powdercontainer 2A for containing the liquid or powder phase, and heldrelative to container 1A as by an annular joint 3A.

Containers 1A and 2A are each of generally elongated cylindricalconfiguration having a rounded closed end at its outboard extremity.

Container 1A, at its inboard extremity, is provided with a neck ofreduced diameter with an opening through said neck allowingcommunication between the container interior and exteriorly thereof.

Container 2 is similarly configured.

Joint 3A is of a configuration such as to allow, at each of its oppositefaces, an annular semispherical shoulder recess of a configurationaccommodating itself to the annular shoulder of the respective container1A or 2A and concentric with and extending inwardly from the bottom.into said operative position until the moment of their use.

An annular nozzle conduit 15A is provided in joint 3A which communicatesat its inner terminus with the opening within the neck of container 2Aand at its outer terminus with the atmosphere through the outerperipheral surface of the joint;

A conduit needle 23 is disposed along the main axis of containers 1A and2A having one terminus extending through a rubber cap 22' in the openingin'the neck of container 1A and an opposite terminus extending through atransverse wall 21 in the form of a sealing diaphragm in container 2A.

When the apparatus is to be readied for operative use, container 2A isfirst inserted on joint 3A wherefor the sealing diaphragm 21. isruptured by conduit needle 23.

Container 1A is thereafter inserted on joint 3A and conduit needle 23 iscaused to pierce throughrubber cap 22.

The volatile product is thus released to pass through conduit needle 23to the interior of container 2A where a generated turbulence causes theproduct to be admixed with the gas and to be discharged through nozzle15A.

The components of the each assembly thereshown, almost in theirentireties are advantageously and preferentially though. not necessarilymade of a suitable substance such as metal, although in practice thecontainers and other elements may be formed from glass or plastic or anyequivalent material compatible with the purposes of my invention orother material having similar physical characteristics.

Other modes of applying the principles of our invention may be employedinstead of those explained, change being made as regards the mechanismsherein disclosed, provided the means stated by any of the followingclaims or the equivalent of such stated means be employed.

t is believed that the gist of the invention will be clearly understoodfrom the foregoing disclosure and accordingly, further analysis thereofat this point is considered unnecessary, as we have, in accordance withthe provisions of the patent statutes, described the constructions andprinciple of operation of our invention together with the apparatuswhich we believe to represent the best embodiments thereof, to the endthat others can, by applying current knowledge, readily adapt them forvarious applications Without omitting features which, from thestandpoint of prior art, fairly constitute essential characteristics ofits generic and/ or specific aspects. The substitution of equivalentsand other changes, modifications and alterations as circumstances maysuggest or render expedient, are reasonably contemplated, the inventionbeing susceptible of such without departing from its real spirit orunderlying principles.

The claims are desired to include within the scope thereof all of saidsuitable variations, modifications and equivalents by whichsubstantially the results of the invention may be obtained through theuse of substantially the same or equivalent devices or means.Accordingly, limitation hereof should only be made as determined by aproper interpretation of the prior art and the scope of the subjoinedclaims, in which it is our intention to claim all novelty inherentherein as broadly as possible.

We therefore particularly point out and distinctly claim as ourinvention:

1. Aerosol apparatus using a compressed gas for dispensing a liquid orpowder product characterized by, a primary container for containing theproduct to be sprayed, a secondary container for containing thecompressed gaseous product, a common joint for receiving said primaryand secondary containers in frictional engagement therewith, and controlmeans carried by said common joint for effecting the release of thematerials from said containers and the admixing thereof preliminarily todischarge therefrom and incorporating a double valve activated by apivotal control for opening and closing in seriatim a nozzle and aconduit leading from said primary container and a conduit leading fromsaid secondary container.

2. Aerosol apparatus using a compressed gas for the dispensing of liquidor powder products characterized by, a primary container for containingthe product to be sprayed, a secondary container for containing thecompressed gaseous product, a common joint for the mounting of saidprimary and secondary containers thereupon and having a dischargenozzle, and control means carried by said common joint, said primarycontainer including 'a rupturable diaphragm for containing the productto be sprayed therewithin until ready for use, a needle mounted uponsaid common joint for rupturing the diaphragm of said primary containerfor effecting the release of the materials from said containers and theadmixing thereof preliminarily to discharge from the discharge nozzle ofsaid common joint, said common joint incorporating a double valveactivated by a pivotal control for opening and closing in seriatim aconduit leading from said primary container and a conduit leading fromsaid secondary container and said nozzle.

3. Aerosol apparatus using a compressed gas for the dispensing of liquidor powder products characterized by, a primary container for containingthe product to be sprayed, a secondary container for containing thecompressed gaseous product, a nozzled common joint for mounting saidcontainers thereupon, said primary container including a rupturablediaphragm for containing the product to be sprayed therewithin untilready for use, a needle mounted upon said common joint for rupturing thediaphragm of said primary container, and control means carried by saidcommon joint for efiecting the release of the materials from saidcontainers and the admixing thereof preliminarily to discharge from thenozzle of said common joint and incorporating a manually acti-References Cited by the Examiner UNITED STATES PATENTS 2,205,938 6/40Ward 222-399 X 3,012,694 12/61 Johnston 2225 3, 119,561 1/64 Wilson222-399 X SAMUEL F. COLEMAN, Primary Examiner.

LOUIS J. DEMBO, Examiner.

2. AEROSOL APPARATUS USING A COMPRESSED GAS FOR THE DISPENSING OF LIQUIDOR POWDER PRODUCTS CHARACTERIZED BY, A PRIMARY CONTAINER FOR CONTAININGTHE PRODUCT TO BE SPRAYED, A SECONDARY CONTAINER FOR CONTAINING THECOMPRESSED GASEOUS PRODUCT, A COMMON JOINT FOR THE MOUNTING OF SAIDPRIMARY AND SECONDARY CONTAINERS THEREUPON AND HAVING A DISCHARGENOZZLE, AND CONTROL MEANS CARRIED BY SAID COMMON JOINT, SAID PRIMARYCONTAINER INCLUDING A RUPTURABLE DIAPHRAGM FOR CONTAINING THE PRODUCT TOBE SPRAYED THEREWITHIN UNTIL READY FOR USE, A NEEDLE MOUNTED